KAUPUŽS, Aivars. Physical activity self-efficacy assessment scale for seniors. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 2, p. 580–592, 2015. DOI: 10.17770/sie2013vol2.613. Disponível em: https://archive-journals.rtu.lv/sie/article/view/983.. Acesso em: 11 mar. 2026.